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Permitting Authorities / Illinois / City of Zion Building Department

Do you need a permit to replace a roof in Zion, IL?

Adopted code

City of Zion Building Department

Yes, a permit is required to replace a roof in Zion, IL, issued by City of Zion Building Department. A ROOF JOB IS PERMITTED ON THE CITY'S BUILDING PERMIT APPLICATION, AT 2.2% OF CONSTRUCTION COST WITH A $55 MINIMUM. The Building Department's Roofing Details handout (Roofing Guidelines, 2024) lists its requirements: "Completed building permit application, include owners name, address and phone number," a contract with cost and a consumer rights form from the contractor, and "Permit fee is 2.2% of construction cost; with minimum of $55.00." A homeowner pulling the permit "must bring in a copy of your homeowner's insurance policy showing a minimum personal liability amount of $300,000," citing Zion Municipal Code 10-9.1. The handout states "There must be a means of disposal of all debris on-site, either a dumpster or truck is acceptable" and "Debris must be removed in a timely manner." Questions go to the department at 847-746-4018.

Roof code checklist: Zion, IL

ItemAnswerCode citeSourceVerified
Permit to replace a roofYesRoofing-handout-2024.pdf2026-10-17
Repair permit thresholdNot published
Layer limit / roof-overPublishedRoofing-handout-2024.pdf2026-10-17
Deck & sheathingNot published
Drip edgeYesRoofing-handout-2024.pdf2026-10-17
Ice & water shieldYesRoofing-handout-2024.pdf2026-10-17
Mid-roof inspectionYesRoofing-handout-2024.pdf2026-10-17
Impact-resistant (Class 4) roofingNot published
Wind design criteriaNot published
Adopted codePublishedcityofzion.com2026-10-17
Contractor license / registrationYesilga.gov2026-09-18
Sales & use taxPublishedilga.gov2026-09-18

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
City of Zion, Illinois
Jurisdiction type
city
Address
2828 Sheridan Road, Zion, IL 60099
Contact
  • url: https://www.cityofzion.com/building-department/
  • phone: 847-746-4018
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • state_level: Illinois licenses roofing contractors statewide with no dollar threshold. 225 ILCS 335/9(2): "No work involving the construction, reconstruction, alteration, maintenance, or repair of any kind of roofing or waterproofing may be done except by a roofing contractor or a qualifying party licensed or credentialed under this Act." Under 225 ILCS 335/5(a-3), "A municipality or a county that requires a building permit may not issue a building permit to a roofing contractor unless that contractor has provided sufficient proof of current licensure as a roofing contractor by the State," and a holder of a limited license is restricted to permits for work on residential properties of 8 units or less. The Illinois Department of Financial and Professional Regulation lists "Roofing Contractor, Licensed" among the professions it licenses.
  • city_level: A CITY CONTRACTOR REGISTRATION ON TOP OF THE STATE LICENSE. The Building Department's 2024 Roofing Guidelines say a contractor must supply a contract with cost and a consumer rights form, adding "(All contractors must be registered with the City)." The handout also warns that "Violation of the State of Illinois Roofing Contractors Law is at a minimum guilty of a Class A misdemeanor," and that "All Commercial and Industrial work must be performed by contractors meeting the requirements of the City of Zion ordinance."
Permit process note
A ROOF JOB IS PERMITTED ON THE CITY'S BUILDING PERMIT APPLICATION, AT 2.2% OF CONSTRUCTION COST WITH A $55 MINIMUM. The Building Department's Roofing Details handout (Roofing Guidelines, 2024) lists its requirements: "Completed building permit application, include owners name, address and phone number," a contract with cost and a consumer rights form from the contractor, and "Permit fee is 2.2% of construction cost; with minimum of $55.00." A homeowner pulling the permit "must bring in a copy of your homeowner's insurance policy showing a minimum personal liability amount of $300,000," citing Zion Municipal Code 10-9.1. The handout states "There must be a means of disposal of all debris on-site, either a dumpster or truck is acceptable" and "Debris must be removed in a timely manner." Questions go to the department at 847-746-4018.
Adopted code
THE 2021 INTERNATIONAL RESIDENTIAL CODE, ADOPTED AS OF JANUARY 1, 2025, WITH CITY AMENDMENTS, PER THE CITY'S OWN CODES PAGE. The page says "The City of Zion Has Adopted the Following Codes" and lists "2021 International Residential Code" with the note "For amendments see Chapter 10, Article II" for Construction Regulations, along with the "2021 International Building Code," the "2021 International Existing Building Code" and the "Current Version of the International Energy Conservation Code," and closes "Adopted as of January 1, 2025." The department's 2024 Roofing Guidelines say "All work is to be performed according to the current Zion Municipal Ordinances and the current adopted International Residential Code & International Building Code including any amendments." The page gives no adopting ordinance number. This record did not read Chapter 10, Article II, so it does not state whether the City's amendments change the IRC's roof provisions beyond what the handout says.
Drip edge
Required — REQUIRED, PER THE DEPARTMENT'S OWN SHEET. The Building Department's 2024 Roofing Guidelines state: "Drip edges are required." The sheet does not say whether this applies at rakes as well as eaves. This rests on the department's own written sheet; the City's enacted amendment text was not read for this record. About drip edge
Ice & water shield
Required — REQUIRED AT ALL EAVES AND COVERED CLOSED VALLEYS, PER THE DEPARTMENT'S OWN SHEET. The Building Department's 2024 Roofing Guidelines state: "Ice Protection is required (ice & water shield) at all eaves edge," and the same sentence extends it to closed valleys covered with shingles. This rests on the written sheet of the department that issues the permit; the City's enacted amendment text and climatic table were not read for this record. About ice & water barrier
Mid-roof inspection
Required — A DECKING INSPECTION ON EVERY TEAR-OFF, PER THE DEPARTMENT'S OWN SHEET. The Building Department's 2024 Roofing Guidelines state: "Decking inspection is required for all roofs being torn off." This rests on the department's own written sheet; the City's enacted amendment text was not read for this record.
Roof layer limit / recover
TWO LAYERS AT MOST, IN THE DEPARTMENT'S OWN WORDS. The Building Department's 2024 Roofing Guidelines state: "No more than two (2) layers of shingles/materials are permitted." The handout rests this on "City Ordinance, International Codes, and Manufactures Specifications"; the enacted amendment text was not read for this record.
Sales & use tax
Illinois taxes the roofer, not the job, and the operative rate is not keyed to the Zion job address. Under 86 Ill. Adm. Code 130.1940(c), a construction contractor "does not incur Retailers' Occupation Tax liability as to receipts from labor furnished and tangible personal property (materials and fixtures) incorporated into a structure," but "incurs Use Tax on the cost price of the tangible personal property that is incorporated into real estate," with "roofing materials" named in the rule's own list of examples. Repair and replacement are taxed identically: 130.1940(a)(3) defines "construct" to include "repair, renovate or remodel." The Illinois Department of Revenue states the Use Tax rate as "6.25% of the purchase price or fair market value, whichever is greater." Where the contractor buys for resale, the local tax follows "the place of business at or from which the contractor or builder handles the transaction" (130.2075(b)(3)), so the combined rate on materials is the supply house's or the contractor's, which this record does not pin down. The authoritative lookup is the Illinois Department of Revenue's MyTax Illinois Tax Rate Finder.

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Building permits in the City of Zion, Illinois, in Lake County, are handled by the City's Building Department at 2828 Sheridan Road. The Illinois Capital Development Board says "The State has not adopted a building code for repairs to existing single family residences," so Zion's roofing rules are its own: the City's Building Codes page lists the 2021 International Residential Code, adopted as of January 1, 2025, with amendments in Chapter 10 of the City Code, and the department's 2024 Roofing Guidelines handout sets out the permit, layer, decking, ice-barrier and drip-edge rules for a roof job. This listing covers the office's contact details, the City's own statements on code and permits, and the rules state law sets for every Illinois roofer.

Working an insurance claim in Zion, IL? Everything on this page (drip edge, ice & water shield, inspections, Class 4 rules) formatted as a claim-ready evidence pack: verbatim ordinance quotes, code section cites, verification dates, and official source links, ready to attach to a supplement. See a real sample pack (PDF, 4 pages, free).

Code items like drip edge and ice & water shield are what adjusters ask you to document.

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Sources

Roofing questions: Zion, IL

Do you need a permit to replace a roof in Zion, IL?

Yes, a permit is required to replace a roof in Zion, IL.

Is ice & water shield required in Zion, IL?

Yes. REQUIRED AT ALL EAVES AND COVERED CLOSED VALLEYS, PER THE DEPARTMENT'S OWN SHEET. The Building Department's 2024 Roofing Guidelines state: "Ice Protection is required (ice & water shield) at all eaves edge," and the same sentence extends it to closed valleys covered with shingles. This rests on the written sheet of the department that issues the permit; the City's enacted amendment text and climatic table were not read for this record.

Is drip edge required in Zion, IL?

Yes. REQUIRED, PER THE DEPARTMENT'S OWN SHEET. The Building Department's 2024 Roofing Guidelines state: "Drip edges are required." The sheet does not say whether this applies at rakes as well as eaves. This rests on the department's own written sheet; the City's enacted amendment text was not read for this record.

Can you roof over an existing roof in Zion, IL?

TWO LAYERS AT MOST, IN THE DEPARTMENT'S OWN WORDS. The Building Department's 2024 Roofing Guidelines state: "No more than two (2) layers of shingles/materials are permitted." The handout rests this on "City Ordinance, International Codes, and Manufactures Specifications"; the enacted amendment text was not read for this record.

Do roofing contractors need a license or registration in Zion, IL?

Yes.

What building code does Zion, IL use?

THE 2021 INTERNATIONAL RESIDENTIAL CODE, ADOPTED AS OF JANUARY 1, 2025, WITH CITY AMENDMENTS, PER THE CITY'S OWN CODES PAGE. The page says "The City of Zion Has Adopted the Following Codes" and lists "2021 International Residential Code" with the note "For amendments see Chapter 10, Article II" for Construction Regulations, along with the "2021 International Building Code," the "2021 International Existing Building Code" and the "Current Version of the International Energy Conservation Code," and closes "Adopted as of January 1, 2025." The department's 2024 Roofing Guidelines say "All work is to be performed according to the current Zion Municipal Ordinances and the current adopted International Residential Code & International Building Code including any amendments." The page gives no adopting ordinance number. This record did not read Chapter 10, Article II, so it does not state whether the City's amendments change the IRC's roof provisions beyond what the handout says.